Non-refillable bottle.



ATTORNEYS PATENTBD DEC. 17

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NON-REFILLABLE BOTTLE.

Specification of Letters Patent.

Patented Dec. 17, 1907.

Application filed April 5. 1907. Serial No. 366.511.

To all whom it may concern:

Be it known that I, HARRY OGDEN MGCLUEG, a citizen of the United States,and resident of Baltimore, in the State of Maryland, have made certainnew and useful Improvements in Non-Refillable Bottles, of which thefollowing is a specification.

My invention is an improvement in that class of non-reiillable bottleswhich are provided with valved Stoppers that permit the discharge, butprevent ingress of liquid. My present invention relates particularly toan improved air-valve attachment of the stopper, that is to say, a valvewhich with cooperating parts is so constructed and arranged that whenthe bottle is in normal vertical position it prevents ingress of air,but permits it, when the bottle is inverted, so that the contents whichwould otherwise be retained. in the bottle may 'be freely.

discharged.

The details of construction, arrangement and operation of parts are ashereinafter described and illustrated in the accompanying drawing, inwhich Figure 1 is a central longitudinal section of a bottle neck withmy improved stopper inserted therein, the movable parts being shown inthe position they occupy when the bottle is in normal vertical position.Fig. 2 is a similar section, but showing the bottle neck and stopperwith the movable parts of the latter in the position they occupy whenthe bottle is inverted so that air is admitted and the contents of thebottle discharged. Fig. 3 is a perspective view of one of the parts ofthe stopper. Fig. 4 is a perspective view of the base portion of thestopper. Fig. 5 is a cross section on the line 5 5 of Fig. 1. Fig. 6 isa vertical section on the line 6 6 of Fig. 1.

The bottle neck A is provided in its lower portion with a shoulder 1 andin its upper t portion with a circumferential groove 2.

B indicates the cylindrical portion of the body of the stopper, C thebase portion thereof, and D the attachment which includes the air valveE-see Figs. 1 and. 6.

The upper portion or end of the stopper body B is provided with a seriesof openings 3 for discharge of liquid and ingress of air. The body B ispractically a hollow cylinder, although the opening therein may beslightly tapered. It seats upon the part D which in turn rests on thebase part C-see Fig. 4* the same having a circumferential shoulder 4that rests upon a packing -see Fig. 1- that bears upon the shoulder 1 ofthe bottle neck. The upper portion of the body B is provided with acircumferential groove in which are arranged two semi-circular ribs 5that constitute catches for engaging the upper shoulder of the 4groove 2formed in the bottle neck. An elastic washer 7, preferably cork, isarranged in the groove behind the catches 5. Dotted lines, Fig. 1,indicate space between the adjacent ends of the semicircular catches. Itwill be understood that when the stopper is inserted in the bottle neck,the cork washer 7 is compressed until the catches 5 slide down to andenter the groove 2 in the bottle neck,`with which the elasticity of thewasher will then hold them engaged, so that the stopper cannot bewithdrawn.

The base portion C of the stopper is provided with a vertical hollow ortubular extension 8 havin an opening 9 in its ilat vertical face. A vave 1() composed of some thin resilient material, preferably mica, isarranged in contact with the face of part 8, and covers the opening 9therein. It may be held in place by various means, it being onlyrequisite that its upper portion shall be left free to open by pressureof liquid when the bottle is inverted, as shown in Fig. 2. In thisinstance it is shown secured between the base of part 8, and a portionof the part D shown detached in Fig. 3. Such part consists of a iiatplate having a segmental opening adapted to receive the projectingportion 8 o the base C. The air valve or the parts composing the sameform an attachment of this late D. The air valve E is shown conical incrm and seated in a corresponding seat from which a passage 11-see Fig.1-leads down through the base C. The stem of the valve projects upwardinto a tube 12 forming a vertical attachment of the plate or base ofpart D, Within such tubular portion are arranged a spiral springv 13,and a weight 14, which is in tubular form and encircles the stem. Asecond spring 15 is interposed between the slidable weight 14 and thehead of the valve. Normally, that is to say, when the bottle is invertical position, the valve is held to its seat by the weight 14 whichis supported upon the lower spring 15, and the expansion of the upperspring 13.

It will be seen that when the bottle is normally vertical, the `airvalve E is seated and the mica valve 10 is also seated or closed, as

shown in Fig. 1. But when the bottle is inverted, as indicated in Fig.2, the weight of liquid entering the passage in the part 8 opens thevalve 10 but its discharge would be arrested were it not for admissionof air to supply the vacuum in the bottle. This is effected by theweight of the sleeve 14 which in such case slightly compresses thespring 13 so that the valve falls away from the seat thus allowingadmission of air past it. The air finds admission through slots 16 inthe base of the tube 12, see Figs. 3 and 6. It is apparent that theseslots are inaccessible to any tool or instrument that may be introducedfrom the outside and thus the valve is at all times free from tamperingand will operate effectively for preventing entrance of air in thenormal position of the bottle but will open when the bottle is inverted.

I claim- 1. In a non-reiillable bottle the combination with a bottleneck of a stopper having means for holding it in position therein andcomprising a part having a passage for air and a passage for liquid anda resilient valve adapted to open by pressure of liquid thereon, and anair vent comprisingl a valve seated in the air passage in the base ofthe stopper, a slidable weight applied to the valve, and a springadapted to press on the weight and made of such tension that when thebottle is inverted the weight is sufficient to compress it and allowunseating oi' the airvalve, substantially as described. Y

2. In a stopper for non-refillable bottles the combination with astopper proper having a passage for discharge of liquid and a valvecontrolling such passage of an air vent formed by a separate passage inthe stopper proper, a valve which is normally seated therein, a slidableweight applied to the stem of the valve, a guide in which the weight isarranged for vertical movement, a spring interposed between the weightand the outer valve, such springs being of slight tension as f and forthe purpose specified.

3. In a non-refillable bottle the combination with a stopper properhaving an air vent and a passage for discharge of liquid and a valve fornormally closing said passage, of an air valve which is normally seatedin the air vent, and a spring actuated device applied to the yvalve forholding it normally seated but adapted to yield to allow unseating ofthe valve when the bottle is inverted, substantially as described.

4. In a non-reiillable bottle, the combination with a stopper comprisinga practically cylindrical body, a base having a assage for discharge ofliquid, and a valve ddr controlling the same, of a part D whichintervenes the base and body of the stopper and is provided with avertical tube, an air valve whose stem projects into said tube, a weightwhich is applied to the valve stem and is slidable within the tube, anda spring pressing upon the weight and thereby imposing pressure on thevalve, but made of such tension that the weight compresses it to aconsiderable degree when the bottle is inverted and thus allows the airvalve to fall away Jfrom its seat, sub-

